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Energy and Environment, 1995

ISBN:
1-56700-052-5 (Print)

EXPERIMENTAL INVESTIGATION ON THE NATURE OF HEAT TRANSFER OF SEMI-OPEN TWO-PHASE THERMOSYPHON

ChuanTong Li
China University of Mining and Technology, China

ZhengChang Song
China University of Mining and Technology, China

Yun Fan
China University of Mining and Technology, China

Ning Chen
China University of Mining and Technology, China

Abstract

In this paper, experimental study was done on heat transfer of semi-open two-phase thermosyphon which is a new type of device for heat exchange. The results of study indicate that semi-open two-phase thermosyphon has two transition points of heat transfer. The best working condition in practice is between the two transition points. This paper also presented the experimental results of the capability of heat transfer with variation of the ratio of length, diameter of vent and location of vent, and provided important experimental data for reasonable design of semi-open two-phase thermosyphon.